Copper Lake Resources Ltd. (TSX-V: CPL, Frankfurt: WOL, OTC: WTCZF)
(“Copper Lake” of the “Company”) is pleased to provide an
exploration update as well as recommendations for further work to
be completed on its Norton Lake Ni-Cu-Co-PGE property (the
“Property”), located 50 km northeast of Fort Hope and about 400 km
northeast of Thunder Bay in northwestern Ontario. The Company owns
a 71.4% interest in the Norton Lake property (7,728 hectares).
Norton Lake Ni-Cu-Co-PGE Deposit (Norton
Zone)
The Norton Zone is hosted by the Norton
intrusion, an ultramafic feeder-dike or sill. Semi-massive to
massive sulphide mineralization in the Norton Zone is hosted within
the ultramafic intrusion at the contact with underlying sediments
(to the south) and an overlying mafic volcanic unit (to the north).
The deposit has been traced by diamond drilling over a
strike-length ranging from 225 to 300 metres and to a maximum
vertical depth of about 400 metres, where importantly, it remains
open. True widths of mineralization range from 5 to 10 metres and
averaging 7.0 metres.
An independent Mineral Resource estimate was
completed on the Norton Lake deposit in 2005. The Mineral Resource
meets the 2000 and current CIM Definition Standards and is
compliant with the National Instrument 43-101 (NI-43-101) . The
Mineral Resource Estimate is summarized as follows:
Norton Lake Deposit Mineral Resource Estimate: Reported at
0.3% Ni cut-off |
Category |
Tonnes |
Ni Grade (%) |
Cu Grade (%) |
Co Grade (%) |
Pd Grade (g/t) |
Measured |
1,769,721 |
0.67 |
0.61 |
0.03 |
0.46 |
Indicated |
488,933 |
0.67 |
0.61 |
0.03 |
0.47 |
TOTAL |
2,258,654 |
0.67 |
0.61 |
0.03 |
0.46 |
|
|
|
|
|
|
Inferred |
198,571 |
0.66 |
0.59 |
0.03 |
0.47 |
Mineral Resources are not Mineral Reserves and
do not have demonstrated economic viability. There is no certainty
that all of any part of the Mineral Resources will be converted
into Mineral Reserves
The Norton Zone is associated with coincident
magnetic and conductive responses over a strike length of about 400
metres, as defined by an airborne geophysical survey (AeroTEM by
Aeroquest) flown in 2007. Notably, minimal borehole EM (BHEM)
surveying has been completed on the Norton Zone, presenting a
significant exploration opportunity to expand on the limits of
known mineralization.
Norton Lake Property Exploration
Highlights & Upside
Norton Ni-Cu-Co-PGE Deposit Open at
Depth
The Norton Zone has been drilled to a maximum
vertical depth of 400 metres and remains open at depth (see Slide
21 in the Copper Lake Corporate Presentation at
www.copperlakeresources.com). The deeper holes appear to show that
nickel and platinum-group element (PGE) grades are increasing with
depth as demonstrated by results including:
- 1.26% Ni, 0.35% Cu and 0.72
g/t Pt + Pd over 5.8 metres (hole 05-11);
- 1.02% Ni, 0.57% Cu, 0.70
g/t Pt + Pd over 10.5 metres (hole 05-13);
- 1.00% Ni, 0.85% Cu, 0.66
g/t Pt + Pd across 12.8 metres (hole 05-12); and
- 0.84%
Ni, 0.63% Cu, 3.26 g/t Pt + Pd over 5.8 metres (hole
05-14).
A large-loop electromagnetic survey (TDEM) as
well as bore-hole electromagnetic surveys (BHEM) are warranted and
will be completed on the Norton Zone, to assist in vectoring or
pointing towards thicker sulphide accumulations at depth, prior to
diamond drilling.
New Sulphide Zone Below & South of
the Norton Zone (New Zone)
Historic drill holes U4 and U14 were drilled
through and beyond the Norton Zone at the western end of the
deposit (see Slide 22 in the Copper Lake Corporate Presentation).
While cutting the Norton Zone at shallow depth (<100 metres),
both holes intersected a separate new zone of mineralization,
situated immediately below or to the south of the Norton Zone and
hosted in sedimentary rocks. Drill hole U-4 cut 0.80% Ni,
1.07% Cu & 3.20 g/t Pt + Pd over 7.0 metres while hole
U-14 intersected 0.80% Ni, 0.30% Cu & 1.10 g/t Pt + Pd
over 5.0 metres.
Drill hole U-4 will be re-drilled to confirm the
grade of the historic hole as a first step, prior to a drill
program designed to expand on the limits of the new mineralized
zone. Borehole electromagnetics (BHEM) will also be undertaken on
all drill holes to help guide the zone expansion drill program.
Untested VTEM Conductors in the Norton
Zone Locale
Numerous conductors were defined by the airborne
geophysical survey (VTEM) flown in 2007 (see Slide 23 in the Copper
Lake Corporate Presentation). Notably, VTEM was only flown over a
portion of the large property. A review and compilation of all VTEM
data with all other existing data sets will be completed to help
prioritize targets for follow-up work.
Ultramafic Rocks on the
Property
Several outcrops of ultramafic rock (Pyroxenite)
were mapped on the property (see Slide 24 in the Copper Lake
Corporate Presentation). These outcrops are similar to the Norton
Intrusion and are high-priority targets for follow-up work. Ground
geophysical surveys including electromagnetics (EM) and magnetic
surveys are strongly recommended as a first step for follow-up. The
ultramafic rocks situated closest to underlying sediments are
highest priority.
Compilation and modelling of data will be
extended to include areas beyond the current Property boundary in
order to provide some regional context on Ni-Cu-Co-PGE
mineralization. This will include review and correlation of
regional structures, geology and geophysics.
Exploration Model for the Norton
Ni-Cu-Co-PGE Deposit
The Norton Intrusion is a sheet-like dike or
sill formed by magma injection into the country rock. When the
intrusion is injected into sulphur-rich sedimentary rocks, the hot
metal-rich magma from the intrusion mixes with the sulphur in the
sediments. This mixing generates a sulphide-rich slurry and country
rock fragments (from the intrusion and sediments) that flows down
slope by gravity, to the bottom of the intrusion and into the
underlying sediments. The resulting texture is a brecciated or
fragmented ore that is characteristic of the Norton Zone.
It is likely that the Norton Intrusion and
contained deposit, is a component of a larger system and not an
isolated nickel sulphide deposit. Recent discoveries suggest that
relatively small intrusions or conduits, such as Norton can host
world-class nickel sulphide deposits when seen in the light of
magma flow patterns in intrusions, within sedimentary rock
successions. Such systems can contain several deposits that form in
clusters including the Eagle & Eagle East deposits in Michigan,
the Tamarack deposits in Minnesota and the Raglan deposits in the
Ungava region of Quebec.
Donald Hoy, Vice President of Exploration for
Copper Lake stated: “Having completed a preliminary data review of
the Property, the upside for Norton Lake is very encouraging. The
Norton Zone is open at depth with increasing grade and the
discovery of the New Zone that returned very good assays,
particularly for the platinum and palladium. The new exploration
model envisioned for Norton as a feeder dike or conduit, opens up
many more possibilities for discovering additional Ni-Cu-Co-PGE
deposits on the Property and surrounding area.”
Donald Hoy, M.Sc., P. Geo., is the Qualified Person under NI
43-101 and has read and approved the technical content of this News
Release.
About Copper Lake Resources
Copper Lake Resources Ltd. is a publicly traded
Canadian company currently focused on advancing its Marshall Lake
and Norton Lake properties located in Ontario, Canada.
Marshall Lake Property
The Marshall Lake high-grade VMS copper, zinc,
silver and gold property, comprises an area of approximately 104
square km located 120 km north of Geraldton, Ontario and is
accessible by all-season road from the Trans-Canada Highway and
just 22 km north of the main CNR rail line. Copper Lake has an
option to increase its interest to 87.5% from its current 75%
interest. The property also includes 148 claim cells staked in 2018
and 2020 that are 100% owned and not subject to any royalties,
which add approximately 30 square km to the property. The current
consolidated land position has an extensive exploration history
including historical resource estimates as documented and disclosed
appropriately in the 43-101 Technical Report on the Marshall Lake
Property dated June 7, 2016 available at
www.copperlakeresources.com.
In addition to the original Marshall Lake
property above, Marshall Lake also includes the Sollas Lake and
Summit Lake properties, which are 100% owned by the Company and are
not subject to any royalties. The Sollas Lake property consists of
20 claim cells comprising an area of 4 square km on the east side
of the Marshall Lake property where historical EM airborne
geophysical surveys have outlined strong conductors on the property
hosted within the same favorable felsic volcanic units. The Summit
Lake property currently consists of 100 claim cells comprising an
area of 20.5 square km, is accessible year round, and is located
immediately west of the original Marshall Lake property.
Norton Lake Property
Copper Lake has a 71.41% interest in the Norton
Lake nickel, copper, cobalt, and palladium PGM property, located in
the southern Ring of Fire area, is approximately 100 km north of
the Marshall Lake Property. The Norton Lake property has a NI
43-101 compliant Measured and Indicated resource of 2.26 million
tonnes @ 0.67% Ni, 0.61% Cu, 0.03% Co and 0.46 g/t Pd.
On behalf of the Board of
Directors,
Copper Lake Resources Ltd.
Terry MacDonald, CEO (416)
561-3626 tmacdonald@copperlakeresources.com
www.copperlakeresources.com
Neither the TSX Venture Exchange nor its
Regulation Services Provider (as that term is defined in the
policies of the TSX Venture Exchange) accepts responsibility for
the adequacy or accuracy of this release.
Copper Lake Resources (TSXV:CPL)
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